# NTSB investigations, CO: Aircraft maintenance event

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB CEN21LA341](https://openairdocs.org/ntsb/CEN21LA341.md): Cessna T210F · Peyton, CO · Accident · No injuries · Class 4 · Limited · Final report · Jul 27, 2021 · N6162R · Substantial damage
  > The pilot’s fuel mismanagement that resulted in a complete loss of engine power during climb and subsequent impact with terrain during a forced landing.
- [NTSB CEN21FA272](https://openairdocs.org/ntsb/CEN21FA272.md): Antenor Velazco Lancair Evolution · Parker, CO · Accident · 2 fatal · Class 3 · Field · Final report · Jun 16, 2021 · N704AK · Destroyed
  > The pilot’s diversion of attention following an asymmetric flap deployment, which resulted in a descent and collision with powerlines. Contributing to the accident was maintenance personnel’s failure to properly secure the flap control rod attachment bolts,…
- [NTSB CEN19LA048](https://openairdocs.org/ntsb/CEN19LA048.md): Vans RV 6 · Watkins, CO · Accident · No injuries · Class 3 · Limited · Final report · Dec 25, 2018 · N711KJ · Destroyed
  > The pilot’s failure to apply adequate torque to a fuel line during recent maintenance, which allowed the line to loosen in flight and fuel to enter the hot engine compartment and resulted in an in-flight fire that consumed the airplane.
- [NTSB CEN12LA513](https://openairdocs.org/ntsb/CEN12LA513.md): Grumman Acft ENG Cor G-164A · La Salle, CO · Accident · Minor injuries · Limited investigation · Final report · Aug 1, 2012 · N9822 · Substantial damage
  > The loss of engine power due to the detached distributor rotor.
- [NTSB CEN12LA343](https://openairdocs.org/ntsb/CEN12LA343.md): Schweizer 269C · Denver, CO · Accident · No injuries · Limited investigation · Final report · Jun 2, 2012 · N2196F · Substantial damage
  > The inadequately overhauled landing gear dampers that allowed initiation of a ground resonance event from which the pilot was unable to recover. Contributing to the accident was the overhaul facility's failure to identify the overcharged dampers and a lack of…
- [NTSB CEN11LA490](https://openairdocs.org/ntsb/CEN11LA490.md): Darrow Stephen AL-6 · Peyton, CO · Accident · No injuries · Limited investigation · Final report · Jul 13, 2011 · N61262 · Substantial damage
  > The loss of engine power during the descent for reasons that could not be determined because a thorough examination of the engine could not be completed due to the remote accident site.
- [NTSB CEN09CA307](https://openairdocs.org/ntsb/CEN09CA307.md): Beech C35 · Englewood, CO · Accident · No injuries · Data collection · Final report · May 19, 2009 · N1945D · Substantial damage
  > The collapse of the landing gear due to the mechanic's failure to properly wire the landing gear squat switch.
- [NTSB CEN09IA153](https://openairdocs.org/ntsb/CEN09IA153.md): New Piper PA-46-500T · Aspen, CO · Incident · No injuries · Incident investigation · Final report · Feb 4, 2009 · N535JR · Minor damage
  > The pilot's inability to maintain directional control of the airplane during landing for undetermined reasons.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'CO' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '040' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/040/sequence?state=CO

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
